| Patent Number |
Title Of Patent |
Date Issued |
| 4783408 |
Method for the preparation of a fungal body and a lipid rich in Y-linolenic acid therefrom |
November 8, 1988 |
| A very efficient microbiological method is proposed for the preparation of .gamma.-linolenic acid or a lipid rich in the content of .gamma.-linolenic acid, one of the essential fatty acids in the diet of mammals, e.g. human. The method comprises culturing a fungus of Mortierella genus in |
| 4721535 |
Solar cell |
January 26, 1988 |
| A solar cell including at least a thin film formed of an amorphous silicon material and having p-type conductivity. The thin film comprises a multi-layer structure including at least one non-doped layer formed of a material of an amorphous silicon material and having a thickness of 10 to |
| 4606808 |
Method for the preparation of pitches for spinning carbon fibers |
August 19, 1986 |
| The invention provides a method for the preparation of a pitch spinnable into pitch filaments as a precursor of carbon fibers starting from a pitch material such as coal tar and coal tar pitch. Different from the conventional procedure involving hydrogenation of the starting pitch, the |
| 4520162 |
Polymeric compounds with sustained anti-tumor activity and a method for the preparation thereof |
May 28, 1985 |
| The novel polymeric compound proposed in the invention has a backbone structure formed of a copolymeric moiety of maleic anhydride and divinyl ether and pendant groups thereon derived from an anthracycline-type anti-tumor agent, e.g. adriamycin and daunomycin, or 1-.beta.-D-arabinofu |
| 4487635 |
Method of fabricating a multi-layer type semiconductor device including crystal growth by spiral |
December 11, 1984 |
| A method of producing a superior semiconductor crystallized layer rapidly on a semiconductor substrate with the surface thereof covered with an insulating film is disclosed. An opening, desirably formed by at least two insulating films, is formed at an intersection of scribe lines of the |
| 4363832 |
Method for providing ceramic lining to a hollow body by thermit reaction |
December 14, 1982 |
| The invention provides a novel method for forming a ceramic lining layer on the inward surface of a hollow body such as a pipe. According to the invention, a thermit mixture, for example, composed of aluminum powder and an iron oxide is placed in the hollow space of the hollow body, whic |
| 4089932 |
Process for the production of spherical silica gel |
May 16, 1978 |
| A process for the production of spherical silica gel which comprises emulsifying water glass in a dispersion medium composed of a polar solvent and a non-polar solvent and gelling the water glass while maintaining it in emulsified state. |
| 4089832 |
Water-containing plastic composition |
May 16, 1978 |
| A water-containing plastic composition which comprises (a) 10-90 wt. % of water-containing powdery gel obtained by subjecting at least one water-soluble polymer such as polyvinyl alcohol, polyacrylamide, polyvinylpyrrolidone or poly(hydroxyalkyl acrylate), while it is in the state of |
